Add wrapper for idris exe for gcc/gmp runtime deps

Fixes #10450

When compiling packages with -o the executable invokes gcc.
There is no compile time flag to control this invocation so for
now we create a wrapper which provides the dependency at runtime.

pkgs/development/idris-modules/idris-wrapper.nix

@@ -0,0 +1,14 @@
+{ symlinkJoin, makeWrapper, stdenv }: idris: { path, lib }:
+
+symlinkJoin {
+  name = idris.name;
+  src = idris.src;
+  paths = [ idris ];
+  buildInputs = [ makeWrapper ];
+  postBuild = ''
+    wrapProgram $out/bin/idris \
+      --suffix PATH : ${ stdenv.lib.makeBinPath path } \
+      --suffix LIBRARY_PATH : ${stdenv.lib.makeLibraryPath lib}
+      '';
+  }
+